Tempo profile (21 April 1990), in S.K. Trimurti's own first-person voice, of her life from teacher and Partindo cadre to labour minister and spiritualist. She says she co-founded Gerwis around 1950 (Ketua III, Yogyakarta), that Gerwis became Gerwani at its third congress under Umi Sardjono, and that in 1965 she quit Ge
Ipong Jazimah's 2016 biographical sketch of S.K. Trimurti (1912-2008): journalist, labour minister, Gerwis co-founder, Petisi 50 signatory. Pages 50-51 cover Gerwis's founding; relies on a few secondary sources.
Tempo.co explainer (29 Sept 2021) on organisations 'considered affiliated' with the PKI: Gerwani, Lekra, SOBSI, Pemuda Rakjat. It states, citing Wieringa, that Gerwis became Gerwani at its 1954 second congress, electing PKI member Umi Sardjono as chair. Short, background-level.
English-edition Tempo cover story 'End of the Road' (4 Oct 2021, Retno Sulistyowati), a translation from the Umi Sardjono special report. It traces Umi's formation in Pathuk Youth, Pesindo, BBW with S.K. Trimurti, Madiun 1948 arrest, founding of Gerwis (Semarang, 3-6 Jun 1950), Gerwani growth from 80,000 to 650,000 (19